Issue #3268785 by cmlara, gaards: Remove unnecessary executable bit from files

.gitignore

.scrutinizer.yml

.travis.yml

README.md

composer.json

config/install/rabbitmq.config.yml

config/schema/rabbitmq.schema.yml

drush.services.yml

example.settings.local.php

modules/rabbitmq_example/README.md

modules/rabbitmq_example/rabbitmq_example.info.yml

modules/rabbitmq_example/rabbitmq_example.links.menu.yml

modules/rabbitmq_example/rabbitmq_example.routing.yml

modules/rabbitmq_example/src/Form/ExampleForm.php

rabbitmq.info.yml

rabbitmq.install

rabbitmq.links.menu.yml

rabbitmq.routing.yml

rabbitmq.services.yml

src/Commands/RabbitmqCommands.php